Food Red No. 40

CAS: 25956-17-6

Ref. 3B-F0325

Product Information

• Name: Food Red No. 40
• Synonyms: 2-Naphthalenesulfonic acid, 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-, disodium salt, 2-Naphthalenesulfonic acid, 6-hydroxy-5-[(6-methoxy-4-sulfo-m-tolyl)azo]-, disodium salt, 2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl]-, sodium salt (1:2), 6-Hidroxi-5-[(2-Metoxi-4-Sulfonato-M-Tolil)Azo]Naftaleno-2-Sulfonato De Disodio, 6-Hydroxy-5-[(2-methoxy-4-sulfonato-m-tolyl)azo]naphtalene-2-sulfonate de disodium, Allura Red, Allura Red 40, Allura red AC dye, Alura Red AC, Alura red, Dinatrium-6-hydroxy-5-[(2-methoxy-4-sulfonato-m-tolyl)azo]naphthalin-2-sulfonat, Disodium 6-Hydroxy-5-[(2-Methoxy-4-Sulphonato-M-Tolyl)Azo]Naphthalene-2-Sulphonate, Disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalene sulfonic acid, Disodium Salt Of 6-Hydroxy-5-(2-Methoxy-5-Methyl- 4-Sulfophenyl)Azo)-2-Naphthalenesulfonic Acid, E 129, E 129 (dye), FD&C Red No. 40, FDC Red 40, FDC Red 40 dye, Fancy Red, Fd And C Red No. 40, Food Red 17, Food Red No. 17, Japan Food Red No. 40, Japan Red 40, Red 40, Red No. 40, disodium (5E)-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazono]-6-oxo-5,6-dihydronaphthalene-2-sulfonate, disodium 6-hydroxy-5-[(E)-(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate, Allura Red AC, Allura?Red AC, C.I. Food Red 17
• Brand: TCI

Chemical properties

• Molecular weight: 496.42
• Formula: C₁₈H₁₄N₂Na₂O₈S₂
• Color/Form: Deep Yellow Red Solid